6FRX | pdb_00006frx

PKA variant as Aurora B mimic in complex with a dianilinopyrimidine inhibitor

• PDB DOI: https://doi.org/10.2210/pdb6FRX/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-02-16 Released: 2019-03-13 
• Deposition Author(s): Engh, R.A., Kazi, A.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 
  0.226 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.190 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.191 (Depositor) 

Literature

PKA variant as Aurora B mimic in complex with a dianilinopyrimidine inhibitor

Engh, R.A., Kazi, A.A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 43.45 kDa 
• Atom Count: 3,194 
• Modeled Residue Count: 354 
• Deposited Residue Count: 371 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
cAMP-dependent protein kinase catalytic subunit alpha	A	351	Homo sapiens	Mutation(s): 0  Gene Names: PRKACA, PKACA EC: 2.7.11.11
UniProt & NIH Common Fund Data Resources
Find proteins for P17612 (Homo sapiens) Explore P17612  Go to UniProtKB:  P17612
PHAROS:  P17612 GTEx:  ENSG00000072062

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
cAMP-dependent protein kinase inhibitor alpha	B	20	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P61925 (Homo sapiens) Explore P61925  Go to UniProtKB:  P61925
PHAROS:  P61925 GTEx:  ENSG00000171033

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
E3Z	C [auth A]	~{N}-[3-[(5-chloranyl-2-phenylazanyl-pyrimidin-4-yl)amino]phenyl]prop-2-enamide C19 H16 Cl N5 O SLKFAKHADUAFCQ-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	A	L-PEPTIDE LINKING	C3 H8 N O6 P		SER
TPO	A	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free:  0.226 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.190 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.191 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.743	α = 90
b = 77.784	β = 90
c = 96.484	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-03-13 
Deposition Author(s): Engh, R.A., Kazi, A.A.

Revision History  

• Version 1.0: 2019-03-13
  Type: Initial release
  
• Version 1.1: 2024-11-06
  Changes: Data collection, Database references, Structure summary